I didn't do all that work just for the fun of it.

我做这一切并不仅仅是为了好玩。

《牛津词典》

He walks over to Thwaite many a day just for the fun of it.

他每天都去斯维特只是为了好玩。

youdao

You see the fame out there with everything else, and you see how it stands, how it lasts, how people make fun of it or how they adore it.

你看到声誉和其他一切都在那里，你看到它是如何存在的，如何持续的，人们如何取笑它或如何崇拜它。

youdao

People who want to search for their roots say it is a lot of work, but also a lot of fun.

VOA: special.2010.06.28

So mostly it's just work and practice and a lot of fun with my friends, but it's pretty normal.

所以，我的本科生活就是学习，训练，和朋友们一块放松，很普通的学生生活。

MIT的时尚品味 - SpeakingMax英语口语达人

And I know it sounds kind of crazy but we have a lot of fun as you can tell.

我知道听上去很疯狂,但我们相处得很快乐，你们看得出。

哈佛公开课 - 幸福课课程节选

This incorrigible criminal is not producing his ghastly weapons for the fun of it.

FORBES: Fact and Comment

"The fun of it is that as you meander through the property you can reach out and eat, " she says.

WSJ: Who Put Lettuce in My Daffodils?

"The fun of it for me is playing with other people, " said John, wearing a navy Adidas tracksuit and his trademark red shades.

NPR: Elton John Shares Grammy Stage With Young Rockers